California Code, Business and Professions Code - BPC § 19580

(a) The board shall adopt regulations to establish policies, guidelines, and penalties relating to equine medication in order to preserve and enhance the integrity of horse racing in the state. Those policies, guidelines, and penalties shall include, at a minimum, the provisions set forth in this article.

(b) It is the intent of the Legislature that the board, in its testing efforts to determine illegal or excessive use of substances, recognize the greater importance of conducting complete and thorough testing of a lesser number of samples in preference to conducting less thorough testing on a greater number of samples.